Answers for "update table add columns sql"

SQL
7

append column sql

ALTER TABLE table_name
ADD column_name datatype;

--example
ALTER TABLE Customers
ADD Email varchar(255);
Posted by: Guest on May-11-2020
1

rename column sql

ALTER TABLE nom_table
RENAME COLUMN colonne_ancien_nom TO colonne_nouveau_nom
Posted by: Guest on July-06-2020

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